The Big Three

*slowburn*
Y/n Barnes, adoptive sister. Captured along with the 107th in the 40s Y/n is still alive thanks to the serum and Hydra. Now living with her brother she is introduced to Sam Wilson and her skills are needed to help fight the Flag Smashers. While they are fighting a battle against Karli Morgenthau Y/n is fighting her own battle. Battling with her emotions over her brother's partner.

This story is based off TFATWS the story will not follow EXACTLY what happened dialogue and other things will be different but I will stick to the main timeline and events. Enjoy